.g-nav-box{
    padding:0 30rpx;
}
.g-nav-view{
    display:flex;
    white-space:nowrap;
}
.f-nav-item{
    position:relative;
    display:inline-block;
    margin-right:30rpx;
    font-size:30rpx;
    padding-bottom:20rpx;
}
.f-nav-item2:after{
    position:absolute;
    display:block;
    content:'';
    width:50%;
    height:8rpx;
    background:#f60;
    left:25%;
    bottom:0;
}
.f-nav-item2{
    font-weight:bold;
    color:#f60;
}